Ricoh GEN5 - MH5421 Printhead

This MH5421 Ricoh printhead offers high-resolution printing and support for multiple ink colors with multi-row nozzles, as well as enhanced aqueous ink compatibility with new bonding technology.

Product Specifications

• Max. number of color inks: 2 colors
• Print width: 54.1mm
• Compatible ink: aquaeous ink
• Nozzle spacing: 1/150" (0.1693mm)
• Head materials: SST, Nickel alloy and Epoxy Adhesive
• Nozzle plate surface: Coated SST
• Number of nozzles: 4 x 320 nozzles (1280)
• Nozzle spacing: 0.1693 mm
• Temperature control: Integrated Heater and Thermistor
• Operator temperature range: Up to 50° C
• Drop volume: 7/14/21 pl (depending on the ink)
• Jetting frequency: 30 kHZ
• Viscosity range: 11mPa . s
• Gray-scale: 4 levels (depending on the ink characteristics)
• Total length: 248mm (cable length: 179mm)
• Dimensions: 89 x 25 x 69 mm (excluding cables)
• Weight: 155g